<!--IssueSummary start--> <details> <summary> Everyone can contribute. [Help move this issue forward](https://handbook.gitlab.com/handbook/marketing/developer-relations/contributor-success/community-contributors-workflows/#contributor-links) while earning points, leveling up and collecting rewards. </summary> - [Close this issue](https://contributors.gitlab.com/manage-issue?action=close&projectId=278964&issueIid=521184) </details> <!--IssueSummary end--> ### Proposal It would appear that GitLab only generates RSA key types when configuring a project push mirror to an endpoint using SSH (ssh://). It would be nice to enable the selection of different key types when selecting "SSH public key" as the authentication method. Some endpoints/vendors will restrict authentication to particular key types. As a mockup: {width="1173" height="753"} (no parcitular order of key types in this case)